$735 Cheap Flights from Cardiff (CWL) to Louisville (SDF)

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Popular airlines from Cardiff International Airport (CWL) to Louisville Intl. Airport (SDF)

Cheap Flights from Cardiff to Louisville (CWL-SDF)

Prices were available within the past 7 days and start at $735 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF) cost?
Get a cheap one-way flight from $735 or cheap return flight from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF)?
is the most affordable month to fly from CWL to SDF. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CWL to SDF flight.
How many flights per day from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF)?
Nonstop flights from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CWL to SDF?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF)?
Book a flight from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF) last-minute?
Last-minute bookings from CWL to SDF are usually more expensive. To lock in the lowest rates, start searching for flights ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a CWL to SDF flight and hotel package?
Securing a CWL to SDF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Louisville Intl. Airport (SDF)?
In most cases, you can cancel or reschedule your CWL to SDF flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Cardiff Intl.
Destination airport
Louisville Intl.
Distance
3922 mi

Book with confidence

Cardiff to Louisville Flights

The cheapest times to fly from Cardiff to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to Louisville are during the month of . You can find some of the cheapest flights from Cardiff to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Louisville

Sunday is one of the best days to book for cheap flights from Cardiff to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $735 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cardiff to Louisville Flights

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*Available to One Key members.